# SDR MEX2003277

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2003
- Submitted: July 18, 2003
- Operation: Air carrier
- Aircraft: N1075T
- Make and model: Doug DC-9-87
- Registry model: [Doug DC-9-87](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87) (OpenAirDocs)
- Aircraft serial: 49724
- Engine: Pwa JT8D
- System (JASC): [5260 · Entrance Stairs](https://openairdocs.org/jasc/5260)
- Part: Sensor
- Condition: Malfunctioned
- Location: Airstair Door
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MEX2003277

## Discrepancy

AIRCRAFT AIR TURN BACK, DURING FLIGHT THE LIGHT FWD STAIRWAY DOOR COME ON.  THE FWD STAIRWAY DOOR SENSOR WAS CHECKED IAW 52-61-00, AND BITE WAS PERFORMED TO PRESSURIZATION CONTROLLERS IAW 21-32-03, ALL TESTS CORRECT.

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